Tweetbot - Sync your timeline across your iPhone, iPad, and Mac. Mute tweets by user, hashtag, tweet source, or keywords (including regex). 3rd Party support for image, video, read later, and timeline sync services.
Convert123 - Convert123 is a unit converting tool that lets the Windows users convert between multiple scientific units and puts at their disposal multiple tools for copying and saving conversion data and even sharing the data by means of email as well.